package com.xhj.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xhj.entity.Member;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;

@Repository
public interface MemberMapper extends BaseMapper<Member> {
    int selectRegisterCount(@Param("day") String day);
}
